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Monthly Archives: September 2010

Update: google earth files in the box: Personally I like to look at things backwards. Why are cool sites cool? So download the kml or kmz file and you can tour 62 sites: All with 90 years of data or more. All with a cooling trend. And all “supposedly” urban. what do you see at

Now, that the whole analysis has been moved to raster, I took some time to play around with a question that has interested a couple of people. Cool stations. A while back when I was looking at ways of bounding uncertainties in the record I went on a hunt for the station that cooled the

I’ve been using RWinEdt for the last few years for all my R coding. But it no longer works with WinEdt 6.0 and no update has been forthcoming. Consequently, I’ve been looking around for something similar to take its place. This question has been asked before on StackOverflow and many suggestions were made including popular

I am often asked how to fit an ARIMA or ETS model with data having a long seasonal period such as 365 for daily data or 48 for half-hourly data. Generally, seasonal versions of ARIMA and ETS models are designed for shorter periods such as 12 for monthly data or 4 for quarterly data. The

For the third year running, the Google Summer of Code program has sponsored a number of students working with R, and has again resulted in several new contributions expanding R in various fields. Dirk Eddelbuettel, who coordinated the R-related projects for GSoC in 2010, summarized the results, with details about the new packages now available for R thanks to...

The Hosmer and Lemeshow goodness of fit (GOF) test is a way to assess whether there is evidence for lack of fit in a logistic regression model. Simply put, the test compares the expected and observed number of events in bins defined by the predicted p...

This is a graph from our surveys with the University of Munich in B&H about ten years ago.(Click on it to see a large version.) In previous presentations (but not in peer-reviewed journals) I have talked about the peak on the subscale of Paranoid Ideation for the B&H samples. But looking at it again I